Redox mediated electrochemical method for vat dyeing in ferric-oxalate-gluconate system: process optimization studies
IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi
View Archive Info| Field | Value | |
| Title |
Redox mediated electrochemical method for vat dyeing
in ferric-oxalate-gluconate system: process optimization studies
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| Creator |
Senthilkumar, S.
Firozbabu, K. Noel, M. Anbukulandainathan, M. |
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| Subject |
Electroorganic
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| Description |
Preliminary efforts were made to identify
alternative ligands for relatively greener and cheaper than
triethanolamine (TEA), leading to a new ferric-oxalategluconate
mixed ligand system as a potential alternative.
Cyclic voltammetry was employed to study the mechanism
involved. A low concentration of electrogenerated FeII-
oxalate is transformed into FeII-gluconate, which is the
reducing agent in the overall process. The influences of
electrolyte medium, electrode material, nature of dye, dye
concentration, material to liquor ratio (MLR), and other
related parameters were studied to arrive at optimum
experimental condition. Copper cathode and stainless steel
anode were the material of choice. The optimum cathode
current density was found to be 2.30 mA cm-2. Under
optimum condition, both cotton fabric and yarn could be
efficiently dyed using this electrochemical process. The
electrolyte could also be recycled. Color intensity for different
dyed materials was evaluated using K/S values
according to the Kubelka–Munk equation.
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| Publisher |
Springer Verlag
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| Date |
2009
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| Type |
Article
PeerReviewed |
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| Format |
application/pdf
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| Identifier |
http://cecri.csircentral.net/394/1/074-2009.pdf
Senthilkumar, S. and Firozbabu, K. and Noel, M. and Anbukulandainathan, M. (2009) Redox mediated electrochemical method for vat dyeing in ferric-oxalate-gluconate system: process optimization studies. Journal of Applied Electrochemistry, 39 (12). pp. 2569-2577. ISSN 0021-891X |
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| Relation |
http://cecri.csircentral.net/394/
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